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- Title
Effects of different levels of saline water on infection of tomato by Botrytis cinerea, the causal agent of gray mold.
- Authors
Boualem, Boumaaza; Sofiane, Boudalia; Abdelhamid, Gacemi; I. E., Benzohra; M'hamed, Benada
- Abstract
A greenhouse experiment was conducted to investigate the effect of different levels of NaCl salt on tomato upon B. cinerea infection the causal agent of gray mold disease. The disease assessment was recorded after inoculation by using the scale based on percentage leaf area affected, and the growth of the plants was recorded for each treatment. Three weeks after inoculation by conidial suspension, the estimated disease severity on plants of tomato was 35.18% compared to the control. The highest incidence disease increase of gray mold (39.21%) was obtained with using 300 mM of NaCl after inoculation with B. cinerea compared with the other concentrations and as well as distilled water. Under severe salt stress (150 and 300mM) increased susceptibility of gray mold disease severity were observed in plants inoculated with B. cinerea, while under mild salt stress (50mM of NaCl) this effect was reversed. The treatment of plant by B.cinerea has reduced the growth of the aerial part of tomato plants (39.06%) after three weeks inoculation compared to the control. Three levels of NaCl (50, 100 and 150mM) increased respectively the plant height from 12.73 to 29.84%, 0.28 to 27.16% for the fresh eight and 5.75 to 33.35% for dry weight compared to the plants inoculated and irrigated by distilled water. NaCl addition at 300mM on plants inoculated with B. cinerea decreased the height, fresh weight and dry weight at 0.99, 4.45 and 11.01% respectively.
- Subjects
SALINE waters; TOMATOES; BOTRYTIS cinerea; INOCULATION of crops; STRAWBERRY gray mold
- Publication
Indian Journal of Agricultural Research, 2018, Vol 52, Issue 5, p530
- ISSN
0367-8245
- Publication type
Article
- DOI
10.18805/IJARe.A-327